HygeineL / IEQ monitoring system

People spend 90% of their time indoor. However, the indoor air can be much more polluted than the outdoor. This will lead to sick-building syndrome, which includes asthma and other respiratory diseases.
In daily administration we need a better and more intuitive way of showing the overall hygiene level.So we designed HygieneL system which contains the hardware and software part. We design this shell-like sensor node for deploying. This circuit system is able to detect VOCs, CO2, RH and temperature which can be analysis in the server.Based on java we make a visualization program system for administrator to monitor the hygiene level of campus.